CN109854849B - Tube head butt joint device for double-wall threaded tube - Google Patents
Tube head butt joint device for double-wall threaded tube Download PDFInfo
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- CN109854849B CN109854849B CN201910254165.4A CN201910254165A CN109854849B CN 109854849 B CN109854849 B CN 109854849B CN 201910254165 A CN201910254165 A CN 201910254165A CN 109854849 B CN109854849 B CN 109854849B
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- ring
- rubber
- double
- butt joint
- threaded pipe
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- 210000001503 joint Anatomy 0.000 title claims abstract description 34
- 230000006835 compression Effects 0.000 claims description 28
- 238000007906 compression Methods 0.000 claims description 28
- 239000007787 solid Substances 0.000 claims description 25
- 238000003032 molecular docking Methods 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 17
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 239000011229 interlayer Substances 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 210000002445 nipple Anatomy 0.000 claims 7
- 230000007423 decrease Effects 0.000 claims 6
- 230000002787 reinforcement Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 239000010410 layer Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The invention relates to the technical field of double-wall threaded pipes, in particular to a pipe head butt joint device for a double-wall threaded pipe, which comprises two pipe head butt joint rings, wherein the two pipe head butt joint rings are respectively fixed at two ends of a connecting hose.
Description
Technical Field
The invention relates to the technical field of double-wall threaded pipes, in particular to a pipe head butt joint device for a double-wall threaded pipe.
Background
The popularization and application of the double-wall threaded pipe are in the ascending state, all technical indexes reach the use standard, the external pressure resistance is strong, the engineering cost is low, the construction is convenient, the friction coefficient is small, the flow is large, the low-temperature resistance and impact resistance are good, the chemical stability is good, the service life is long, the excellent wear resistance is achieved, and the proper flexibility is achieved, but the following defects still exist in the actual use:
1. in the prior art, when the pipe heads are in butt joint, the phenomenon that the joint is unstable and easily falls off is easy to occur, and the double-wall threaded pipe is inconvenient to assemble and disassemble and inconvenient to use;
2. When the double-wall threaded pipe is in butt joint, the sealing performance is poor, the position of the butt joint of the pipe head is easy to leak, and the double-wall threaded pipe is inconvenient to use in practice.
For this purpose, we propose a tube head butt joint device for a double-wall threaded tube to solve the above-mentioned drawbacks.
Disclosure of Invention
The invention aims to provide a tube head butt joint device for a double-wall threaded tube, which solves the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a tube head interfacing apparatus for double-walled screw thread pipe, includes the tube head docking collar, the tube head docking collar is equipped with two sets of, and two sets of tube head docking collar are fixed respectively in coupling hose's both ends position, and the one side that the coupling hose was kept away from to the tube head docking collar is equipped with outer solid fixed ring, interior bracing ring and rubber clamping ring, outer solid fixed ring, interior bracing ring nest in the inner circle of outer solid fixed ring, interior bracing ring and outer solid fixed ring homogeneity setting are on the tube head docking collar, and rubber clamping ring activity nest is between the intermediate layer of bracing ring and outer solid fixed ring including, and the block is fixed with double-walled screwed pipe I and double-walled screwed pipe II on the tube head docking collar at both ends respectively.
Preferably, one end of the double-wall threaded pipe I, which is close to the pipe head butt joint ring, and one end of the double-wall threaded pipe II, which is close to the pipe head butt joint ring, are clamped between the corresponding interlayers of the outer ring of the inner supporting ring and the inner ring of the rubber compression ring, and the outer rings of the double-wall threaded pipe I and the double-wall threaded pipe II are respectively provided with a thread groove.
Preferably, the inner ring of the rubber compression ring is fixedly provided with a plurality of circles of rubber sealing inner rings which are distributed equidistantly, and the rubber sealing inner rings are sealed in the thread grooves.
Preferably, the outer ring of the rubber compression ring is fixedly welded with a spring, one end of the spring, which is far away from the rubber compression ring, is fixedly welded at the inner ring of the outer fixing ring, and a plurality of groups of springs are arranged in a circular array shape.
Preferably, an end part of the inner support ring far away from the connecting hose is provided with a damage-proof end ring, and the cross section of the damage-proof end ring is semicircular.
Preferably, the outer lane department of outer solid fixed ring is circular array form and distributes eight groups screw holes, and the screw hole runs through the inner and outer circles setting of outer solid fixed ring simultaneously, is connected with compression screw through screw-thread fit in the screw hole, and compression screw's nut end is located the outer lane department of outer solid fixed ring, and compression screw's screw rod tip contradicts pressfitting is in the outer lane department of rubber clamping ring.
Preferably, the outer ring of the compression screw is movably sleeved with an inner rubber ring and an outer rubber ring, the inner rubber ring and the outer rubber ring are of circular structures, the inner rubber ring is fixedly arranged on the inner ring surface of the outer fixing ring, and the outer rubber ring is fixedly arranged on the outer ring surface of the outer fixing ring.
Preferably, the pipe head butt joint ring is close to the one side of coupling hose and fixedly provided with outer anti-wear ring and interior anti-wear ring, outer anti-wear ring and interior anti-wear ring's cross section all is semi-circular, and outer anti-wear ring sets up at coupling hose's outer lane, and interior anti-wear ring sets up at coupling hose's inner circle.
Preferably, the outer ring department that the tube head butt joint ring was kept away from to the outer solid ring is connected with the connection limit through screw-thread fit, and the one side that the connection hose was kept away from to the connection limit is integrative to be equipped with the reinforcement sealing ring, the reinforcement sealing ring is the ring form and seals the one side that the tube head butt joint ring was kept away from to the outer solid ring, and the inner circle diameter of reinforcement sealing ring is greater than double-walled screwed pipe I's outer lane diameter and is less than the outer lane diameter of rubber clamping ring.
Preferably, the reinforcing seal ring is attached to one surface of the rubber press ring and is fixedly provided with a rubber outer ring, and the rubber outer ring seals the contact part of the rubber press ring and the connecting edge.
Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality and has the following advantages:
1. according to the invention, the double-wall threaded pipe I and the double-wall threaded pipe II are connected with each other through the pipe head butt joint ring, so that the connection and the disassembly are convenient, the connection structure is stable, good tightness is ensured, and the practicability is higher;
2. According to the invention, two groups of tube head butt joint rings for connecting two-sided pipelines are arranged, and a connecting hose which can be used for certain extension is arranged between the two groups of tube head butt joint rings, so that inconvenience in maintenance and disassembly when the double-wall threaded pipe is fixed is avoided, the tube head butt joint rings are directly replaced, the whole disassembly is not needed, a certain gap which can be installed and adjusted is provided for connecting the two-sided double-wall threaded pipe by the connecting hose between the two groups of tube head butt joint rings, and the structure design is reasonable and the practicability is strong;
3. The compression screw can tightly compress the end of the double-wall threaded pipe between the rubber compression ring and the inner support ring, thereby ensuring higher connection stability and strengthening tightness.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2 in accordance with the present invention;
Fig. 4 is an enlarged schematic view of the structure B in fig. 3 according to the present invention.
In the figure: double-wall threaded pipe I1, double-wall threaded pipe II2, thread groove 3, connecting hose 4, outer fixed ring 5, reinforcing seal ring 6, compression screw 7, outer rubber ring 8, outer anti-wear ring 9, pipe head butt joint ring 10, inner anti-wear ring 11, inner rubber ring 12, rubber press ring 13, inner support ring 14, anti-wear end ring 15, connecting edge 16, rubber seal inner ring 17, rubber outer ring 18, threaded hole 19, spring 20.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a double-walled tube head interfacing apparatus for threaded pipe, including tube head docking collar 10, tube head docking collar 10 is equipped with two sets of, two sets of tube head docking collar 10 are fixed respectively in the both ends position of coupling hose 4, one side that tube head docking collar 10 kept away from coupling hose 4 is equipped with outer solid fixed ring 5, interior bracing ring 14 and rubber clamping ring 13, outer solid fixed ring 5, interior bracing ring 14 and rubber clamping ring 13 all are ring-shaped structure, interior bracing ring 14 nestification is in the inner circle of outer solid fixed ring 5, interior bracing ring 14 and outer solid fixed ring 5 uniforms set up on tube head docking collar 10, rubber clamping ring 13 activity nestification is between the intermediate layer of interior bracing ring 14 and outer solid fixed ring 5, the block is fixed with double-walled screwed pipe I1 and double-walled screwed pipe II2 respectively on the tube head docking collar 10 at both ends.
As shown in fig. 4, one end of the double-wall threaded pipe I1, which is close to the pipe head butt joint ring 10, and one end of the double-wall threaded pipe II2, which is close to the pipe head butt joint ring 10, are clamped between the corresponding interlayer of the outer ring of the inner support ring 14 and the inner ring of the rubber press ring 13, the outer rings of the double-wall threaded pipe I1 and the double-wall threaded pipe II2 are both provided with thread grooves 3, the inner rings of the rubber press ring 13 are fixedly provided with a plurality of rings of equidistantly distributed rubber seal inner rings 17, the rubber seal inner rings 17 are sealed in the thread grooves 3, the tightness of the rubber press ring 13 when the end of the double-wall threaded pipe is pressed against the outer ring of the inner support ring 14 is ensured, the outer rings of the rubber press ring 13 are fixedly welded with springs 20, one end of the springs 20, which are far from the rubber press ring 13, are fixedly welded at the inner rings of the outer fixing rings 5, the springs 20 are provided with a plurality of groups in a circular array shape, and the springs 20 have certain buffering, damping and protecting effects, and are strong in protection of the device.
As shown in fig. 3, wherein the end of the inner stay ring 14 far from the connecting hose 4 is provided with a damage-preventing end ring 15, the cross section of the damage-preventing end ring 15 is semicircular, so that abrasion caused by contact of the end of the inner stay ring 14 is avoided when the end of the double-wall threaded pipe is inserted between the rubber press ring 13 and the inner stay ring 14, and the wear-preventing protection of the end of the double-wall threaded pipe is improved.
As shown in fig. 4, wherein the outer lane department of outer solid fixed ring 5 is circular array form and distributes eight sets of screw holes 19, screw holes 19 run through the interior outer lane setting of outer solid fixed ring 5 simultaneously, there is compression screw 7 through screw fit connection in the screw holes 19, the nut end of compression screw 7 is located the outer lane department of outer solid fixed ring 5, the screw rod tip of compression screw 7 is contradicted the pressfitting and is in the outer lane department of rubber clamping ring 13, the outer lane department movable sleeve of compression screw 7 is equipped with inner rubber ring 12 and outer rubber ring 8, inner rubber ring 12 and outer rubber ring 8 all are the ring-shaped structure, inner rubber ring 12 is fixed to be established at outer solid fixed ring 5 inner ring surface, outer rubber ring 8 is fixed to be established at the outer lane surface of outer solid fixed ring 5, the leakproofness of compression screw 7 run through outer solid fixed ring 5 department has been strengthened to outer rubber ring 8 and inner rubber ring 12, further guaranteed the leakproofness of tube head interfacing apparatus, wherein the one side that tube head docking ring 10 is close to coupling hose 4 is fixed and is equipped with outer wear-proof ring 9 and interior wear-proof ring 11, the cross section of outer wear-proof ring 9 and interior wear-proof ring 11 all is semi-circular, outer rubber ring 9 sets up at coupling hose 4, wear-proof ring 4 is good, the connection portion is avoided the well-broken to the connection hose end to the connection portion of hose, the good connection situation is avoided bending.
The outer ring department that outer solid fixed ring 5 kept away from tube head docking ring 10 is connected with connecting limit 16 through screw-thread fit, connecting limit 16 is kept away from the integrative reinforcement sealing ring 6 that is equipped with of one side of coupling hose 4, reinforcement sealing ring 6 is the ring form and seals the one side of keeping away from tube head docking ring 10 at outer solid fixed ring 5, the inner circle diameter of reinforcement sealing ring 6 is greater than double-walled screwed pipe I1's outer lane diameter and is less than rubber clamping ring 13's outer lane diameter, reinforcement sealing ring 6 laminating is fixed to be equipped with rubber outer loop 18 on rubber clamping ring 13's one side, rubber outer loop 18 is the ring form and seals rubber clamping ring 13 and connecting limit 16 contact, guaranteed the sealing performance of reinforcement sealing ring 6, the inside and outside isolation effect when guaranteeing tube head docking ring 10 and connecting double-walled screwed pipe I1 and double-walled screwed pipe II 2.
Working principle: when the double-wall threaded pipe I1 and the double-wall threaded pipe II2 are connected, the pipe head butt joint rings 10 at the two ends of the connecting hose 4 are aligned with the corresponding double-wall threaded pipe I1 and the double-wall threaded pipe II2, the ends of the double-wall threaded pipe I1 and the double-wall threaded pipe II2 are respectively inserted between the rubber compression rings 13 and the inner supporting rings 14 on the pipe head butt joint rings 10 at the two sides, and then the compression screw 7 is rotated until the ends of the double-wall threaded pipe are compressed between the rubber compression rings 13 and the inner supporting rings 14, so that the installation is completed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a double-walled thread pipe tube head interfacing apparatus, includes tube head docking collar (10), its characterized in that: the pipe head butt joint rings (10) are provided with two groups, the two groups of pipe head butt joint rings (10) are respectively fixed at two end positions of the connecting hose (4), one surface of the pipe head butt joint rings (10) far away from the connecting hose (4) is provided with an outer fixing ring (5), an inner supporting ring (14) and a rubber pressing ring (13), the outer fixing ring (5), the inner supporting ring (14) and the rubber pressing ring (13) are of circular ring structures, the inner supporting ring (14) is nested in an inner ring of the outer fixing ring (5), the inner supporting ring (14) and the outer fixing ring (5) are uniformly arranged on the pipe head butt joint rings (10), the rubber pressing ring (13) is movably nested between interlayers of the inner supporting ring (14) and the outer fixing ring (5), and the pipe head butt joint rings (10) at two ends are respectively clamped and fixed with a double-wall threaded pipe I (1) and a double-wall threaded pipe II (2);
One end of the double-wall threaded pipe I (1) close to the pipe head butt joint ring (10) and one end of the double-wall threaded pipe II (2) close to the pipe head butt joint ring (10) are clamped between the corresponding interlayer of the outer ring of the inner supporting ring (14) and the inner ring of the rubber compression ring (13), and the outer rings of the double-wall threaded pipe I (1) and the double-wall threaded pipe II (2) are respectively provided with a thread groove (3);
Eight groups of threaded holes (19) are distributed in a circular array shape at the outer ring of the outer fixing ring (5), the threaded holes (19) penetrate through the inner ring and the outer ring of the outer fixing ring (5) simultaneously, compression screws (7) are connected in the threaded holes (19) through threaded fit, the nut ends of the compression screws (7) are located at the outer ring of the outer fixing ring (5), and the screw ends of the compression screws (7) are abutted to the outer ring of the rubber compression ring (13).
2. A double-walled threaded pipe nipple abutment according to claim 1, wherein: the inner ring of the rubber compression ring (13) is fixedly provided with a plurality of circles of rubber sealing inner rings (17) which are distributed equidistantly, and the rubber sealing inner rings (17) are sealed in the thread grooves (3).
3. A double-walled threaded pipe nipple abutment according to claim 1, wherein: the outer ring of the rubber compression ring (13) is fixedly welded with a spring (20), one end, far away from the rubber compression ring (13), of the spring (20) is fixedly welded at the inner ring of the outer fixing ring (5), and a plurality of groups of springs (20) are arranged in a circular array shape.
4. A double-walled threaded pipe nipple abutment according to claim 1, wherein: an end part of the inner supporting ring (14) far away from the connecting hose (4) is provided with a damage-proof end ring (15), and the cross section of the damage-proof end ring (15) is semicircular.
5. A double-walled threaded pipe nipple abutment according to claim 1, wherein: the outer ring of the compression screw (7) is movably sleeved with an inner rubber ring (12) and an outer rubber ring (8), the inner rubber ring (12) and the outer rubber ring (8) are of circular structures, the inner rubber ring (12) is fixedly arranged on the inner ring surface of the outer fixing ring (5), and the outer rubber ring (8) is fixedly arranged on the outer ring surface of the outer fixing ring (5).
6. A double-walled threaded pipe nipple abutment according to claim 1, wherein: the pipe head butt joint ring (10) is close to one side of coupling hose (4) and fixedly is equipped with outer abrasionproof and decreases ring (9) and interior abrasionproof and decrease ring (11), the cross section of outer abrasionproof and decrease ring (9) and interior abrasionproof and decrease ring (11) all is semi-circular, and outer abrasionproof decreases ring (9) setting is in the outer lane of coupling hose (4), and interior abrasionproof decreases ring (11) setting is in the inner circle of coupling hose (4).
7. A double-walled threaded pipe nipple abutment according to claim 1, wherein: the outer ring department that tube head docking ring (10) was kept away from to outer solid fixed ring (5) is connected with through screw-thread fit and connects limit (16), and the one side that connecting hose (4) was kept away from to limit (16) is integrative to be equipped with and strengthens sealing ring (6), strengthen sealing ring (6) and be the ring form and seal in the one side that tube head docking ring (10) was kept away from to outer solid fixed ring (5), strengthen the inner circle diameter of sealing ring (6) and be greater than the outer lane diameter of double-walled screwed pipe I (1) and be less than the outer lane diameter of rubber clamping ring (13).
8. A double-walled threaded pipe nipple abutment according to claim 7, wherein: the reinforcing seal ring (6) is attached to one surface of the rubber press ring (13) and fixedly provided with a rubber outer ring (18), and the rubber outer ring (18) seals the contact part of the rubber press ring (13) and the connecting edge (16) in a ring shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910254165.4A CN109854849B (en) | 2019-03-30 | Tube head butt joint device for double-wall threaded tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910254165.4A CN109854849B (en) | 2019-03-30 | Tube head butt joint device for double-wall threaded tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109854849A CN109854849A (en) | 2019-06-07 |
| CN109854849B true CN109854849B (en) | 2024-06-04 |
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Citations (9)
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|---|---|---|---|---|
| GB1310513A (en) * | 1969-07-01 | 1973-03-21 | Btr Industries Ltd | Union for two pairs of ducts |
| CN1847713A (en) * | 2005-04-04 | 2006-10-18 | 株式会社电装 | Piping joint device and manufacturing method thereof |
| CN203202448U (en) * | 2013-04-26 | 2013-09-18 | 开平市顶尖管业有限公司 | Bathroom hose pipe |
| CN206449325U (en) * | 2017-02-07 | 2017-08-29 | 临沂会宝岭铁矿有限公司 | A kind of mine is installed by down-hole pipe |
| CN207213383U (en) * | 2017-08-30 | 2018-04-10 | 王祝女 | Sealing structure in concrete drain tile |
| CN208331515U (en) * | 2018-04-08 | 2019-01-04 | 成都阡陌九城网络科技有限公司 | A kind of petroleum pipeline anticreep box cupling bending welder |
| CN208401164U (en) * | 2018-06-12 | 2019-01-18 | 南京乐视通信技术有限公司 | The public coaxial wire jumper of slotting type 4/10ths. three fastly |
| CN208619900U (en) * | 2018-07-31 | 2019-03-19 | 玉环县金龙欧浴洁具有限公司 | A kind of German-style connector red copper bellows |
| CN209762520U (en) * | 2019-03-30 | 2019-12-10 | 贵州枫叶管业有限公司 | pipe head butt joint device for double-wall threaded pipe |
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1310513A (en) * | 1969-07-01 | 1973-03-21 | Btr Industries Ltd | Union for two pairs of ducts |
| CN1847713A (en) * | 2005-04-04 | 2006-10-18 | 株式会社电装 | Piping joint device and manufacturing method thereof |
| CN203202448U (en) * | 2013-04-26 | 2013-09-18 | 开平市顶尖管业有限公司 | Bathroom hose pipe |
| CN206449325U (en) * | 2017-02-07 | 2017-08-29 | 临沂会宝岭铁矿有限公司 | A kind of mine is installed by down-hole pipe |
| CN207213383U (en) * | 2017-08-30 | 2018-04-10 | 王祝女 | Sealing structure in concrete drain tile |
| CN208331515U (en) * | 2018-04-08 | 2019-01-04 | 成都阡陌九城网络科技有限公司 | A kind of petroleum pipeline anticreep box cupling bending welder |
| CN208401164U (en) * | 2018-06-12 | 2019-01-18 | 南京乐视通信技术有限公司 | The public coaxial wire jumper of slotting type 4/10ths. three fastly |
| CN208619900U (en) * | 2018-07-31 | 2019-03-19 | 玉环县金龙欧浴洁具有限公司 | A kind of German-style connector red copper bellows |
| CN209762520U (en) * | 2019-03-30 | 2019-12-10 | 贵州枫叶管业有限公司 | pipe head butt joint device for double-wall threaded pipe |
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